Finding the Fourth Proportional to 117,537.60, 175,917.60 and 103,540.80
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Solution
The fourth proportional to 117,537.60, 175,917.60 and 103,540.80 is: 154,968.70
Step by Step Solution
- Step 1: Write the proportion equation
117,537.60 : 175,917.60 = 103,540.80 : x - Step 2: Convert to fraction form
117,537.60/175,917.60 = 103,540.80/x - Step 3: Cross multiply
117,537.60x = 175,917.60 × 103,540.80 - Step 4: Simplify right side
117,537.60x = 18,214,649,038.08 - Step 5: Solve for x
x = 18,214,649,038.08/117,537.60 - Step 6: Final answer
x = 154,968.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.